1501:21-13-08
Additional design requirements for dams.

(A)
The safety factors for the various
elements of the dam shall conform to good engineering practice as approved by
the chief. The safety factors and the design standards that are used by the
applicant shall agree with the approved design assumptions.

(B)
Inspection devices such as piezometers,
settlement platforms, stand-pipes, tell-tale stakes, monitoring weirs,
inclinometers, and permanent bench marks, may be required by the chief for the
division's and the owner's use in the inspection of the structure during and
after completion of construction.

(C)
The chief may
require dams to have a staff gauge to allow monitoring of lake levels within a
range from the lower of five feet below normal pool or the normal drawdown
level, to the top of dam elevation. The design of the staff gauge will be
reviewed and approved by the chief.

(D)
Grass vegetation or other vegetation of similar
properties are the only acceptable vegetative covers for earthen dam embankment
surfaces or vegetated earth spillways. Trees and brush are not acceptable
surface covers.

(E)
The applicant shall
demonstrate to the satisfaction of the chief that the structure will be
consistent and in accordance with all applicable state and local floodplain
regulations and requirements.